| Period | Weighting | Quarter | ||||||
|---|---|---|---|---|---|---|---|---|
| Company | Longest | Shortest | Min. | Avg. | Max. | First | Latest | ↓ Count |
| GROUP ONE TRADING, L.P. | 14 | 7 | 0.00% | 0.01% | 0.02% | Q2 2013 | Q3 2018 | 21 |
| SIMPLEX TRADING, LLC | 16 | 16 | 0.00% | 0.00% | 0.01% | Q4 2014 | Q3 2018 | 16 |
| Citadel Advisors | 13 | 13 | 0.00% | 0.00% | 0.00% | Q2 2013 | Q2 2016 | 13 |
| Timber Hill LLC | 2 | 1 | 0.00% | 0.00% | 0.01% | Q2 2013 | Q1 2017 | 7 |
| JPMORGAN CHASE & CO | 1 | 1 | 0.00% | 0.00% | 0.00% | Q2 2017 | Q2 2017 | 1 |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 1 | 1 | 0.00% | 0.00% | 0.00% | Q3 2018 | Q3 2018 | 1 |
| Marathon Trading Investment Management LLC | 1 | 1 | 0.03% | 0.03% | 0.03% | Q4 2014 | Q4 2014 | 1 |
This page lists all the filers that currently own SONIC CORP or have owned SONIC CORP in the past.